1. Safety First:
a) Disconnect the vehicle battery: Remove the negative battery terminal to avoid any electrical accidents during the process.
2. Locate the Starter:
a) The starter on your 1991 Pontiac Bonneville is typically mounted near the engine's bottom, usually near the transmission bell housing.
3. Remove the Air Cleaner Assembly:
a) On some Bonneville models, you may need to remove the air cleaner assembly to access the starter.
4. Disconnect Cables and Wiring:
a) Disconnect the wires connected to the starter solenoid. Disconnect the positive battery cable (usually a thick red wire) and any other wires connected to the starter.
5. Unbolt Old Starter:
a) Locate and remove the bolts that hold the starter in place. Typically, there are two or three bolts securing the starter to the engine or transmission.
6. Remove the Starter:
a) Once the bolts are removed, carefully maneuver and remove the old starter from the vehicle. Be mindful of its orientation and any spacers or shims that may be present.
7. Inspect Flywheel Teeth:
a) Take a moment to inspect the flywheel teeth for any damage or excessive wear. If there is significant damage, address this issue before installing a new starter.
8. Install New Starter:
a) Position the new starter in place, aligning it with the flywheel and any mounting holes.
b) Secure the starter with the bolts you removed earlier. Tighten the bolts securely.
9. Reconnect Wiring:
a) Reconnect the wires and cables that were disconnected earlier. Ensure the positive battery cable is securely reconnected.
10. Test the Starter:
a) Reconnect the battery negative terminal.
b) Turn the ignition key to the "crank" position. The starter should engage and turn the engine.
11. Reassemble Air Cleaner:
a) Reinstall the air cleaner assembly or any other components you removed earlier.
Remember that some models may have variations in starter location and wiring. If you are unsure about any steps or encounter difficulties during the process, it is advisable to seek help from a professional mechanic.